Video: N. Korea conflict could result in disaster worse than Chernobyl

Video: N. Korea conflict could result in disaster worse than Chernobyl

Russian President Vladimir Putin says tension in North Korea could cause a nuclear disaster that would make Chernobyl seem like a "child's fairy tale," and U.N. Secretary General speaks out. Margaret Brennan reports on the latest details. (CBS)

Russian President Vladimir Putin says tension in North Korea could cause a nuclear disaster that would make Chernobyl seem like a "child's fairy tale," and U.N. Secretary General speaks out. Margaret Brennan reports on the latest details. (CBS)

Russian President Vladimir Putin says tension in North Korea could cause a nuclear disaster that would make Chernobyl seem like a "child's fairy tale," and U.N. Secretary General speaks out. Margaret Brennan reports on the latest details. (CBS)